Individual provider

Richelle Knudson, M.D.

Dermatology Physician Student in an Organized Health Care Education/Training Program Medicare enrolled

Richelle Knudson, M.D. is a Dermatology Physician in Bismarck, ND, registered under NPI 1811149156. This provider registers 2 separate taxonomy codes, which usually means they practise across more than one recognised specialty.

Getting there

The practice address on file is 2830 N WASHINGTON ST, Bismarck, ND 58503. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

2830 N WASHINGTON ST, Bismarck, ND 58503 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
12939 ND Dermatology Physician primary
RL10955 ND Student in an Organized Health Care…
104460 MN Dermatology Physician
52270 MN Dermatology Physician

Licences are recorded in 2 states: ND, MN. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.

Medicare (PECOS)
Status
Approved
Provider type
Practitioner - Dermatology
PAC ID
3375689805
Enrollment ID
I20131126001031

Medicare enrolment is recorded as approved under the provider type Practitioner - Dermatology. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.

Licensed in 2 states

This provider holds licences in 2 states: Minnesota and North Dakota. The practice address on file is in Bismarck, ND, but a licence in another state usually means they see patients there too — either at a second location or by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.

MN Minnesota
Licence
104460
Specialty
Dermatology Physician
Verify with the MN board →
ND North Dakota practice address
Licence
12939
Specialty
Dermatology Physician
Verify with the ND board →

Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.

What Dermatology covers

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging. NUCC Health Care Provider Taxonomy, code 207N00000X
Allopathic & Osteopathic Physicians Dermatology

All registered taxonomy codes

This provider registers 4 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
207N00000X Dermatology Physician 12939 ND primary
390200000X Student in an Organized Health Care Education/Training Program RL10955 ND
207N00000X Dermatology Physician 104460 MN
207N00000X Dermatology Physician 52270 MN

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1811149156 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateOct 17, 2008
Last updatedSep 23, 2015
StatusActive
Sole proprietorNo
CredentialM.D.
Practice address 2830 N WASHINGTON ST
Bismarck, ND 58503
(701) 323-6400
Fax (701) 323-5677
Mailing address PO BOX 5074
Sioux Falls, SD 57117
Other identifiers ENROLLED · Medicaid (IA)
18404 · Medicaid (ND)
P00839007 · Other (MN)
ENROLLED · Medicaid (MN)
This record was last updated on Sep 23, 2015, roughly 10 years ago. Address and phone details that old are frequently out of date. Verify by phone before travelling to the address shown.

Number check

1811149156 passes the NPI check digit test The final digit 6 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 8 1 1 1 4 9 1 5
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 8 2 1 2 4 9 1 1

Sum = 54 · next multiple of 10 = 60 · check digit = 6 · actual last digit = 6

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1811149156?
NPI 1811149156 is the National Provider Identifier assigned to Richelle Knudson, M.D. in Bismarck, ND. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Dermatology Physician cover?
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of…
How do I contact Richelle Knudson, M.D.?
The phone number on file with NPPES is (701) 323-6400, last updated Sep 23, 2015. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Does Richelle Knudson, M.D. accept Medicare?
This NPI has an approved Medicare enrolment in PECOS, which means the provider is enrolled to bill Medicare. Enrolment does not guarantee they are accepting new Medicare patients — verify directly with the office.
Is NPI 1811149156 a valid number?
Yes. 1811149156 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.